research Impact of acid straightener's pH value in the hair fiber properties
Lower pH straighteners change hair more but weaken it.
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30 / 1000+ results research Impact of acid (”progressive brush”) and alkaline straightening on the hair fiber: Differential effects on the cuticle and cortex properties
Glyoxylic acid straighteners cause more protein loss but have similar hair strength effects as traditional alkaline straighteners.
research Cytotoxic Evaluation of Hair Relaxers and Straighteners Actives in Human-Derived Skin Cells
Hair relaxers and straighteners can be toxic to skin cells.
research Effects of chemical straighteners on the hair shaft and scalp
Chemical hair straighteners can cause scalp and hair damage, but long-term effects are unclear.
research ‘Relaxers’ damage hair: Evidence from amino acid analysis
Hair relaxers are linked to reduced cystine levels and potential hair damage.
research Straight to the Point: What Do We Know So Far on Hair Straightening?
Hair straightening can damage hair and pose health risks, including exposure to carcinogens and hair loss.
research Mechanical characterization of curly hair: Influence of the use of nonconventional hair straightening treatments
Formaldehyde damages curly hair more than glyoxylic acid.
research Thermal Induced Changes in Cuticle and Cortex to Chemically Treated Hair
Heat worsens damage in chemically treated hair, especially bleached and straightened hair.
research Synthesis of a new amino acid derivative with long‐lasting hair shape control effects and elucidation of its mechanisms
A new amino acid derivative, ATS, improves hair texture and moisture, making it easier to straighten curly hair.
research Protein loss in human hair from combination straightening and coloring treatments
Straightening and coloring hair, especially with sodium hydroxide, greatly increases protein loss.
research Ingredients Present In Personal Care Products That Need Scrutiny
Certain ingredients in personal care products, like formaldehyde, oxidative hair dyes, and sulfates, pose health risks and need careful review.
research Hair cosmetics
The article concludes that advancements in hair cosmetics require dermatologists to stay informed about products and their potential risks, including allergies and higher risks for hairdressers.
research Rice Germ Oil and Ferulic Acid Effects on Hair
Rice germ oil improves hair health, but adding ferulic acid offers limited benefits and may worsen chemically damaged hair.
research Cosmetic Approach for Healthy and Damaged Hair
Cosmetic procedures can harm hair, but damage can be minimized with knowledge and care; however, once hair is damaged, it cannot be reliably repaired.
research Hair Straightening
Hair straightening methods have advanced to improve effectiveness and reduce damage, but still rely on heat and chemicals.
research Formaldehyde replacement with glyoxylic acid in semipermanent hair straightening: a new and multidisciplinary investigation
Glyoxylic acid is a safer alternative to formaldehyde for hair straightening and effectively changes hair structure.
research Structural Changes of Hair Keratin by Reduction, Heat and subsequent Oxidation Treatments
DTDG in hair treatments reduces damage and preserves hair structure.
research Trichodystrophies: A hair-raising differential diagnosis
The guide helps doctors diagnose hair problems by suggesting a thorough patient history, physical exams, and various diagnostic tools.
research Repeatable Perming via Thiol–Michael Click Reaction: Using Amide Derived from Maleic Acid and Cystine
A new perming method is less damaging to hair and works as well as traditional methods.
research Comparative Proteomics Indicates That Biosynthesis of Pectic Precursors Is Important for Cotton Fiber and Arabidopsis Root Hair Elongation
Pectin biosynthesis is essential for the growth of cotton fibers and Arabidopsis root hairs.
research Chemical Reactions Occurring in Curing Treatment for Permanent Hair Straightening Using Thioglycolic and Dithioglycolic Acids
Using both TGA and DTDG in hair straightening reduces hair damage compared to using TGA alone.
research Phosphatidylinositol‐specific phospholipase C2 functions in auxin‐modulated root development
A protein called PLC2 is important for the growth and development of plant roots influenced by auxin.
research Could the use of personal care oils in black women contribute to recent findings of an increased risk of breast cancer in this population?
Using certain hair products may increase breast cancer risk in black women.
research A Clinical Review of Trichorrhexis Nodosa
Trichorrhexis nodosa is common hair breakage, often due to styling, and new treatments are being explored.
research The Use of Natural Ingredients in the Treatment of Alopecias with an Emphasis on Central Centrifugal Cicatricial Alopecia: A Systematic Review.
Some natural ingredients like onion juice, rosemary oil, and pumpkin seed oil may help with hair growth and reducing hair loss.
research Effect of antioxidants in protecting chemically damaged hair
Ferulic acid and resveratrol protect hair from chemical and sun damage.
research Protection and Restoration of Damaged Hair via a Polyphenol Complex by Promoting Mechanical Strength, Antistatic, and Ultraviolet Protection Properties
A new hair treatment using a natural polyphenol complex improves hair strength, reduces static, and protects against UV damage.
research Hair Care Cosmetics Regulation in Different Countries – A Comparative Study
Different countries have regulations to ensure the safety of hair care products, with some recalling hair straighteners due to high formaldehyde.
research Polyphenol–Inorganic Sulfate Complex-Enriched Straightening Shampoo for Reinforcing and Restoring Reduced Hair Integrity
The shampoo straightens hair while keeping it healthy and less damaged.
research The biology of hair diversity
Hair diversity is influenced by complex genetics and environmental factors, requiring more research for practical solutions.